Desc: På farliga vägar: Directed by Per-Axel Branner. With Sture Lagerwall, Birgit Tengroth, Erik 'Bullen' Berglund, Michel André. Martin and Märta seem to have a happy marriage, but Märta feels neglected. One evening she meets Martin's colleague, Frenchman Barthou, famous for his success with the Stockholm ladies, and he starts to flirt with her.